Team Avatar - Avatar: The Last Airbender - 38

Enchantment

Mana Cost: {2}{W}

Whenever a creature you control attacks alone, it gets +X/+X until end of turn, where X is the number of creatures you control.
{2}{W}, Discard this card: It deals damage equal to the number of creatures you control to target creature.

Uncommon · Avatar: The Last Airbender · #38 (TLA)

Illustrated by Bun Toujo